Rinnai i-SERIES Condensing Gas Boiler

Rinnai i-Series Condensing Gas Boiler


I-Series Cold Climate

Comfort & Convenience

  • Simultaneous delivery of hot water and home heating without disruption
  • Servo based by-pass control for precision domestic hot water (DHW) temperature control
  • Multiple heating zones possible
I-Series Operational Performance

Optimal Performance

  • 95% AFUE Efficiency
  • High volume hot water production
  • Outdoor reset to optimize home heating performance
I-Series Easy Installation

Flexible Installation

  • Compact design
  • Versatile venting options
  • Easy parameter settings
  • Natural gas (NG) with Propane gas (LP) conversion kit included


100 years of smart comfort

For nearly a century, Rinnai has been fiercely committed to delivering a smarter kind of comfort. With headquarters in Japan and a network of 20 subsidiaries and 86 sales offices in 13 countries, this commitment has made us one of the world’s largest gas appliance manufacturers. Our value-added products continue to stay in step with the demands of a changing world.


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